1 files changed, 9 insertions, 0 deletions
diff --git a/tests/ui/lint/must_not_suspend/tuple-mismatch.rs b/tests/ui/lint/must_not_suspend/tuple-mismatch.rs
new file mode 100644
index 000000000..c7e14e425
--- /dev/null
+++ b/tests/ui/lint/must_not_suspend/tuple-mismatch.rs
@@ -0,0 +1,9 @@
+#![feature(generators)]
+
+fn main() {
+    let _generator = || {
+        yield ((), ((), ()));
+        yield ((), ());
+        //~^ ERROR mismatched types
+    };
+}